What device is used to measure dust levels in a coal mine work area?

The use of a personal dust sampler in a coal mine work area is crucial for ensuring the safety and health of workers. This device is specifically designed to collect airborne dust samples that workers may be exposed to during their shifts. By capturing these samples, personal dust samplers can provide accurate measurements of the concentration of dust particles, which is essential for assessing the potential health risks associated with coal mine environments.

Personal dust samplers are portable and can be worn by individuals, allowing for real-time monitoring of dust exposure over the course of their work. This immediacy and precision make them an invaluable tool for compliance with health and safety regulations, as they help determine whether dust levels exceed permissible limits.

While other measuring devices like dust monitors and air quality meters may track various aspects of air quality, they are not specifically tailored to measure the personal exposure levels of individual workers. Hazard detectors may monitor for broader environmental hazards but do not focus specifically on dust levels. Thus, the personal dust sampler stands out as the most appropriate instrument for measuring dust levels directly impacting the health and safety of workers in coal mine work areas.